Today's episode provides a host of information on what makes us sleepy, sleep soundly, and feel awake and alert. It covers a broad range of tools for anyone wishing to improve their sleep and wakeful state. The science and logic for each tool are described. For the full show notes, visit hubermanlab.com. Thank you to our sponsors AG1 (Athletic Greens): https://athleticgreens.com/huberman LMNT: https://drinklmnt.com/huberman Thesis: https://takethesis.com/huberman Supplements from Momentous https://www.livemomentous.com/huberman Timestamps (00:00:00) Introduction (00:01:23) Sponsors: AG1, LMNT, Thesis, Momentous (00:06:54) What Is Sleep Really For? (00:09:33) Sleep Hunger (00:11:09) Caffeine: Devil & Angel (00:15:34) Timing Your Sleep Properly (00:17:30) Release Your Hormones (At The Right Times) (00:18:45) (Pineal) Melatonin Waring (00:24:30) Strange Vision Is Good Vision (00:32:50) Blue Light Is Great! (00:37:00) The Real Problem With Smartphones (00:38:30) Blind / Low Vision People (00:39:45) Using Exercise & Food To Set Your Clock (00:42:00) The Power of Sunset (00:45:43) The Healthy Holes In Your Skull (00:48:15) Bad Light (00:51:11) Light Location (00:53:00) Fire / Candlelight (00:54:00) When To Eat (00:54:40) How To Wake Up Earlier (01:08:00) Using The Body To Control The Mind (01:10:00) Drugs & Supplements (01:18:00) Sleep Walking (01:20:00) Office Hours Title Card Photo Credit: Mike Blabac Disclaimer